Pool-cathode tube
[电] 汞弧管
🧩 词语组成解析
pool
[pul]
n. 水池;石油层;（液体等的）一滩;共同储金;
vi. 使形成池塘或水洼;淤积;合伙经营;采（煤等）;
cathode
[['kæθəud]]
n. 阴极\\n[化] 阴极
🗣️ 情景例句
Don't get ahead of yourself.
别做你力所不能及的事。
It's scheduled to arrive at 11:50.
按照列车时刻表是11点50分到。
Porpoises and sharks are natural enemies.
海豚和鲨鱼是天然仇敌，